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USN-3737-1: GDM vulnerability

13 August 2018

GDM could be made to crash or run programs as the administrator.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • gdm3 - GNOME Display Manager

Details

A use-after-free was discovered in GDM. A local user could exploit this to
cause a denial of service, or potentially execute arbitrary code as the
administrator.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

References